how to eliminate a trace of GRUB that stops me from opening Win10


  1. Posts : 20
    Win10
       #1

    how to eliminate a trace of GRUB that stops me from opening Win10


    I have a hard drive that has data on it I want. It came from a failed PC that had Win10 on one drive and Ubuntu on another. The Ubuntu drive failed and was disconnected. Months later the old PC failed and I can't open the Win10 HDD with my new PC.

    When I try to boot from the HDD I get a black screen with:

    error: no such device: b3eabeb5-992f-49e1-88c0-56be090c790a.
    Entering rescue mode>
    grub rescue>

    When I hit ENTER I get another grub rescue>. I think, even though Ubuntu is not on the HDD, that a trace of grub is. I might be able to fix it by installing Ubuntu in my new PC and than uninstalling it, hoping the uninstall would remove that trace of grub, but I am reluctant to risk screwing up my new C:/ drive.

    Does anyone have any idea for removing stray bits of Grub so I can boot up my old HDD?

    John
      My Computer

  2. Fafhrd's Avatar
    Posts : 1,982
    Windows 10 x86 14383 Insider Pro and Core 10240
       #2

    Don't boot to the HDD, Boot to a Windows setup DVD or USB, or to a Windows PE Windows repair disk e.g. Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

    Rewrite the MBR with bootrec /fixmbr to overwrite the GRUB MBR.

    Assuming the Windows folder on the HDD is in the C:\ folder, fix the Boot Configuration Database to boot from the active system partition with BCDBOOT c:\Windows

      My Computers


 

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